CN109115395B - Modular air conditioner cartridge filter both sides pressure differential detection structure - Google Patents
Modular air conditioner cartridge filter both sides pressure differential detection structure Download PDFInfo
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- CN109115395B CN109115395B CN201810757748.4A CN201810757748A CN109115395B CN 109115395 B CN109115395 B CN 109115395B CN 201810757748 A CN201810757748 A CN 201810757748A CN 109115395 B CN109115395 B CN 109115395B
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- air conditioner
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- pressure difference
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L13/00—Devices or apparatus for measuring differences of two or more fluid pressure values
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Abstract
The invention discloses a pressure difference detection structure on two sides of a filter cartridge of a combined air conditioner, which belongs to the technical field of combined air conditioner detection and comprises a wall plate arranged in a filter section of the combined air conditioner, wherein the left side of the wall plate is an air conditioner air return area, the right side of the wall plate is an air conditioner air outlet area, a plurality of filter cartridges positioned in the air conditioner air return area are arranged on the wall plate, a left sealing communicating joint is arranged on the wall of the air conditioner air return area, a right sealing communicating joint is arranged on the wall of the air conditioner air outlet area, and a pressure difference detection unit is arranged between the left sealing communicating joint and the right sealing communicating joint; whether the impurity in the cartridge filter accumulates is judged more through the detection mode of the air pressure difference in the air conditioning return air area and the air conditioning air outlet area by the pressure difference detection unit, then whether the suggestion needs to be changed or cleaned, the pressure difference detection unit overall design is compact, the pressure difference detection sensitivity is high, the use is convenient and flexible, no extra parts such as a power supply and a control system are needed, the display is accurate, and the service life is long.
Description
Technical Field
The invention belongs to the technical field of combined air conditioner detection, and particularly relates to a pressure difference detection structure on two sides of a filter cartridge of a combined air conditioner.
Background
In order to adjust the temperature and the humidity of a workshop, a cigarette factory is provided with a combined air conditioner, the combined air conditioner needs to be provided with a filter device with higher filter precision in order to ensure the cleanness of the air in the workshop when the temperature and the humidity of the workshop are adjusted, and the filter device with the largest installation amount, the most common installation amount and the good effect is the filter cartridge. The filter cartridge is generally installed on a wall panel of the combined air conditioner, and the wind resistance is large when the filter cartridge filters much dirt after a certain period of time, and at this time, the filter cartridge is disassembled to be cleaned and replaced with a new filter cartridge or a cleaned filter cartridge.
However, whether the filter cartridge should be replaced or cleaned is judged at present and is mainly determined according to the condition that impurities are accumulated on the filter cartridge through manual observation, or the filter cartridge is replaced or cleaned at regular intervals, so that the mode wastes time and labor and is easy to judge errors, and waste is caused.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a pressure difference detection structure on two sides of a filter cylinder of a combined air conditioner, namely, the pressure difference of air flows on two sides of the filter cylinder is automatically detected, so that the resistance of the air flowing through the filter cylinder can be judged, whether more impurities are accumulated in the filter cylinder is judged, and then whether the filter cylinder needs to be replaced or cleaned is prompted; the technical scheme adopted for achieving the purpose is as follows:
a pressure difference detection structure on two sides of a filter cartridge of a combined air conditioner comprises a wall plate arranged in a filter section of the combined air conditioner, wherein the left side of the wall plate is an air conditioner return air area, the right side of the wall plate is an air conditioner air outlet area, a plurality of filter cartridges positioned in the air conditioner return air area are arranged on the wall plate, a left sealing communicating joint is arranged on the wall of the air conditioner return air area, a right sealing communicating joint is arranged on the wall of the air conditioner air outlet area, and a pressure difference detection unit is arranged between the left sealing communicating joint and the right sealing communicating joint; the pressure difference detection unit comprises a left vertical hose, an arc-shaped pipe and a right vertical hose, the top end of the left vertical hose is communicated with an air return area of an air conditioner through a left sealing communicating joint, the top end of the right vertical hose is communicated with an air outlet area of the air conditioner through a right sealing communicating joint, the left end of the arc-shaped pipe is communicated with the bottom end of the left vertical hose through a left connector, the right end of the arc-shaped pipe is communicated with the bottom end of the right vertical hose through a right connector, and the bottom end of the right vertical hose is higher than the bottom end of the left vertical hose; the sealing has red liquid section in the arc pipe, and the sealing has bottom spin and top spin in the arc pipe, bottom spin and top spin all with arc pipe inner wall clearance fit and can make a round trip to roll, the bottom spin is located red liquid section left end and bottom spin density and is greater than red liquid density, the top spin is located red liquid section right-hand member and top spin density and is less than red liquid density, is equipped with the scale interval that is used for showing red liquid position on the arc pipe.
Preferably, a left through hole is formed in the left connector, and the diameter of the left through hole is smaller than that of the bottom rolling ball; and a right through hole is arranged in the right connector, and the diameter of the right through hole is smaller than that of the top rolling ball.
Preferably, the left end of the arc-shaped pipe is a straight pipe section, and the straight pipe section is arranged in the direction from left to right in an inclined manner.
Preferably, the left sealing communicating joint and the right sealing communicating joint are the same in structure and are collectively called as a sealing communicating joint, the sealing communicating joint comprises a hollow screw, the outer end of the hollow screw is provided with a quick joint for connecting a hose, and the hollow screw is sequentially provided with an outer nut, an outer gasket, an inner gasket, a balancer and an inner nut from outside to inside; the balancer comprises a circular plate sleeved on the hollow screw, and an annular baffle extending inwards is arranged around the periphery of the circular plate in the circumferential direction.
The invention has the following beneficial effects: whether more impurities are accumulated in the filter cartridge is judged by the detection mode of the air pressure difference in the air return area and the air outlet area of the air conditioner through the pressure difference detection unit, and then whether the impurities need to be replaced or cleaned is prompted, so that the judgment efficiency and the misjudgment rate are greatly improved; on the other hand, the differential pressure detection unit has compact integral design, high differential pressure detection sensitivity, convenient and flexible use, accurate display, high precision and long service life, and does not need additional components such as a power supply, a control system and the like.
Drawings
FIG. 1 is a schematic view of the mounting structure of the present invention;
FIG. 2 is a schematic structural diagram of a differential pressure detecting unit;
fig. 3 is a schematic structural view of the sealed communication joint.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1 and 2, a structure for detecting a pressure difference between two sides of a filter cartridge of a combined air conditioner comprises a wall plate 6 installed in a filter section of the combined air conditioner, wherein the left side of the wall plate 6 is an air-conditioning return air area 4, the right side of the wall plate 6 is an air-conditioning outlet area 10, a plurality of filter cartridges 5 located in the air-conditioning return air area 4 are installed on the wall plate 6, a left sealing communicating joint 7 is arranged on the wall of the air-conditioning return air area 4, a right sealing communicating joint 8 is arranged on the wall of the air-conditioning outlet area 10, and a pressure difference detecting unit is arranged between the left sealing communicating joint 7 and the right sealing communicating joint 8; the pressure difference detection unit comprises a left vertical hose 13, an arc-shaped pipe 17 and a right vertical hose 31, the top end of the left vertical hose 13 is communicated with an air return area 4 of an air conditioner through a left sealing communicating joint 7, the top end of the right vertical hose 31 is communicated with an air outlet area 10 of the air conditioner through a right sealing communicating joint 8, the left end of the arc-shaped pipe 17 is communicated with the bottom end of the left vertical hose 13 through a left connector 15, the right end of the arc-shaped pipe 17 is communicated with the bottom end of the right vertical hose 31 through a right connector 14, and the bottom end of the right vertical hose 31 is higher than the bottom end of the left vertical hose 13; the utility model provides a red liquid density measuring device, including the pipe of arcwall 17, the encapsulation has red liquid section 19 in the pipe of arcwall 17, and encapsulation has bottom spin 20 and top spin 18 in the pipe of arcwall 17, bottom spin 20 and top spin 18 all with 17 inner walls clearance fit of arcwall and can make a round trip to roll, bottom spin 20 is located 19 left ends of red liquid section and bottom spin 20 density and is greater than red liquid density, top spin 18 is located 19 right-hand members of red liquid section and top spin 18 density and is less than red liquid density, is equipped with the scale interval 16 that is used for showing red liquid position on the pipe of arcwall 17.
In order to ensure that the left vertical hose 13, the arc-shaped pipe 17 and the right vertical hose 31 are communicated and simultaneously prevent the bottom rolling ball 20 and the top rolling ball 18 from entering the left vertical hose 13 and the right vertical hose 31, a left through hole is arranged in the left connector 15, and the diameter of the left through hole is smaller than that of the bottom rolling ball 20; a right through hole is arranged in the right connector 14, and the diameter of the right through hole is smaller than that of the top rolling ball 18.
In order to reduce the influence of the gravity of the red liquid on the measurement result as much as possible, particularly when the air pressure in the air conditioner air return area 4 is equivalent to the air pressure in the air conditioner air outlet area 10, the bottom rolling ball 20 and the red liquid section 19 are ensured to be positioned at the left end of the arc-shaped pipe 17, the left end of the arc-shaped pipe 17 is a straight pipe section 21, and the straight pipe section 21 is slightly arranged in the upward direction from left to right.
As shown in fig. 3, the left sealing and communicating joint 7 and the right sealing and communicating joint 8 are identical in structure and are collectively called a sealing and communicating joint, the sealing and communicating joint comprises a hollow screw 24, the outer end of the hollow screw 24 is provided with a quick joint 25 for connecting a hose, and the hollow screw 24 is provided with an outer nut 26, an outer gasket 27, an inner gasket 23, a balancer and an inner nut 28 in sequence from outside to inside; the balancer includes a circular plate 30 fitted over the hollow screw 24, and an annular baffle 29 extending inward is provided around the circumference of the circular plate 30 so as to be tightly fitted to the wall 22 of the combined air conditioner by the outer nut 26 and the inner nut 28.
When the combined air conditioner works, the combined air conditioner is large in size and large in air supply quantity for a workshop, a return air machine 3 is generally arranged in an air-conditioning return air area 4, the return air machine 3 is communicated with a return air channel 2, and a fresh air channel 1 is also communicated in the air-conditioning return air area 4; an air outlet machine 11 is installed in an air outlet area 10 of the air conditioner, the air outlet machine 11 is communicated with an air outlet channel 12, workshop return air enters an air conditioning return area 4 from a return air channel 2 and then is fully mixed with fresh air entering from a fresh air channel 1, and the mixed air is heated or refrigerated and humidified by a combined air conditioner after being fully filtered by a filter cartridge 5 and then is sent to the workshop through the air outlet channel 12.
The left side and the right side of the red liquid section 19 are respectively subjected to air pressure difference in the air conditioner air return area 4 and the air conditioner air-out area 10, if the air pressure difference between the red liquid section 19 and the air conditioner air-out area changes, the red liquid section 19 moves left and right in the arc-shaped pipe 17, and then the size of the air pressure difference in the air conditioner air return area 4 and the air conditioner air-out area 10 is judged according to the size of the change of the moving position, so that whether more impurities are accumulated in the filter cartridge is judged, and then whether replacement or cleaning is required is prompted.
The density of the bottom rolling ball 20 is slightly higher than that of the red liquid, so that the bottom rolling ball 20 can not only move left and right along with the red liquid, but also the bottom rolling ball 20 can not float on the red liquid and is always positioned at the left end of the red liquid section 19; similarly, the density of the top rolling ball 18 is slightly less than that of the red liquid, so that the top rolling ball 18 can not only move left and right along with the red liquid, but also the top rolling ball 18 can not sink into the red liquid and is always positioned at the right end of the red liquid segment 19.
The bottom rolling ball 20 and the top rolling ball 18 also have the function of reducing the volatilization speed of the red liquid, and can also prevent the impact on the red liquid section 19 caused by sudden fluctuation due to unstable wind pressure in the air conditioning return air area 4 and the air conditioning air outlet area 10; therefore, the long service time of the red liquid can be ensured, and when the red liquid is too long in service time and remains less due to evaporation and the like, new red liquid can be injected from the right sealing communication joint 8; when the pressure difference detection unit needs to be cleaned, the arc-shaped pipe 17 is taken down from the left vertical hose 13 and the right vertical hose 31, the bottom rolling ball 20 and the top rolling ball 18 are poured out, and the pipe and the small balls are cleaned and then are filled again.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: it is to be understood that modifications may be made to the technical solutions described in the foregoing embodiments, or equivalents may be substituted for some of the technical features thereof, but such modifications or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (4)
1. A pressure difference detection structure on two sides of a filter cartridge of a combined air conditioner comprises a wall plate arranged in a filter section of the combined air conditioner, wherein the left side of the wall plate is an air conditioner air return area, the right side of the wall plate is an air conditioner air outlet area, and a plurality of filter cartridges positioned in the air conditioner air return area are arranged on the wall plate; the pressure difference detection unit comprises a left vertical hose, an arc-shaped pipe and a right vertical hose, the top end of the left vertical hose is communicated with an air return area of an air conditioner through a left sealing communicating joint, the top end of the right vertical hose is communicated with an air outlet area of the air conditioner through a right sealing communicating joint, the left end of the arc-shaped pipe is communicated with the bottom end of the left vertical hose through a left connector, the right end of the arc-shaped pipe is communicated with the bottom end of the right vertical hose through a right connector, and the bottom end of the right vertical hose is higher than the bottom end of the left vertical hose; the sealing has red liquid section in the arc pipe, and the sealing has bottom spin and top spin in the arc pipe, bottom spin and top spin all with arc pipe inner wall clearance fit and can make a round trip to roll, the bottom spin is located red liquid section left end and bottom spin density and is greater than red liquid density, the top spin is located red liquid section right-hand member and top spin density and is less than red liquid density, is equipped with the scale interval that is used for showing red liquid position on the arc pipe.
2. The structure for detecting the pressure difference between two sides of the filter cylinder of the combined air conditioner as claimed in claim 1, wherein a left through hole is arranged in the left connector, and the diameter of the left through hole is smaller than that of the bottom rolling ball; and a right through hole is arranged in the right connector, and the diameter of the right through hole is smaller than that of the top rolling ball.
3. The combined type air conditioner filter cartridge both side pressure difference detection structure of claim 1 or 2, characterized in that, the left end of the arc pipe is a straight pipe section, the straight pipe section is set up from left to right in the direction of slant upwards.
4. The structure for detecting differential pressure across a filter cartridge of a combined air conditioner as claimed in claim 3, wherein the left and right sealing joints have the same structure and are collectively called as a sealing joint, the sealing joint comprises a hollow screw, the outer end of the hollow screw is provided with a quick coupling for connecting a hose, and the hollow screw is sequentially provided with an outer nut, an outer gasket, an inner gasket, a balancer and an inner nut from outside to inside; the balancer comprises a circular plate sleeved on the hollow screw, and an annular baffle extending inwards is arranged around the circumference of the circular plate; the inside-out direction refers to a direction from the outside of the wall of the combined air conditioner to the inside along the central axis direction of the hollow screw rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810757748.4A CN109115395B (en) | 2018-07-11 | 2018-07-11 | Modular air conditioner cartridge filter both sides pressure differential detection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810757748.4A CN109115395B (en) | 2018-07-11 | 2018-07-11 | Modular air conditioner cartridge filter both sides pressure differential detection structure |
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| Publication Number | Publication Date |
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| CN109115395A CN109115395A (en) | 2019-01-01 |
| CN109115395B true CN109115395B (en) | 2020-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810757748.4A Active CN109115395B (en) | 2018-07-11 | 2018-07-11 | Modular air conditioner cartridge filter both sides pressure differential detection structure |
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Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
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| GB1419904A (en) * | 1973-02-08 | 1975-12-31 | Gunttner R | Gas pressure measuring apparatus |
| US4604891A (en) * | 1984-10-17 | 1986-08-12 | The Foxboro Company | Reference pressure devices for calibrating pressure-measuring instruments |
| FR2664978B1 (en) * | 1990-07-19 | 1994-09-23 | Revoreg Ste Civile Etudes Rech | DEVICE FOR DETECTION AND TRANSMISSION OF A PNEUMATIC MICRO SIGNAL FOR ANALOG OR DIGITAL SIGNAL TRANSMISSION. |
| CN201322669Y (en) * | 2008-11-25 | 2009-10-07 | 茅鲁伟 | Device for detecting pressure difference and ventilation volume |
| CN202195910U (en) * | 2011-09-16 | 2012-04-18 | 东北石油大学 | Displacement pressure testing device |
| CA2904421C (en) * | 2013-03-15 | 2022-06-14 | Brian M. Wiseman | Directional differential pressure detector |
| AU2015264254B2 (en) * | 2014-05-20 | 2020-07-02 | Brian M. Wiseman | Directional differential pressure detector |
| CN204027753U (en) * | 2014-06-26 | 2014-12-17 | 多氟多化工股份有限公司 | A kind of anti-overflow non-maintaining U-tube pressure gauge |
| CN204422134U (en) * | 2015-02-03 | 2015-06-24 | 彩虹（合肥）液晶玻璃有限公司 | A kind of device measuring TFT liquid-crystalline glasses kiln furnace pressure |
| CN204964096U (en) * | 2015-08-24 | 2016-01-13 | 李和良 | Pressure differential table |
| US9797761B2 (en) * | 2015-08-24 | 2017-10-24 | John Vander Horst | Recreational vehicle wastewater tank measurement system and method |
| CN205027480U (en) * | 2015-10-16 | 2016-02-10 | 镇江博昊科技有限公司 | Dual -display vacuum display meter |
| CN207081512U (en) * | 2017-06-22 | 2018-03-09 | 广州卓驰自动化技术有限公司 | A kind of waterpipe type pressure sensor |
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- 2018-07-11 CN CN201810757748.4A patent/CN109115395B/en active Active
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